1313404005305 has 32 divisors (see below), whose sum is σ = 1896397090560. Its totient is φ = 853058995200.

The previous prime is 1313404005293. The next prime is 1313404005311. The reversal of 1313404005305 is 5035004043131.

It is not a de Polignac number, because 1313404005305 - 2¹⁸ = 1313403743161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3420005 + ... + 3784605.

It is an arithmetic number, because the mean of its divisors is an integer number (59262409080).

Almost surely, 2^{1313404005305} is an apocalyptic number.

It is an amenable number.

1313404005305 is a deficient number, since it is larger than the sum of its proper divisors (582993085255).

1313404005305 is a wasteful number, since it uses less digits than its factorization.

1313404005305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370049.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1313404005305 its reverse (5035004043131), we get a palindrome (6348408048436).

The spelling of 1313404005305 in words is "one trillion, three hundred thirteen billion, four hundred four million, five thousand, three hundred five".